feat(podman): add method to generate podman based docker image package

This commit is contained in:
wpetit 2022-10-19 23:02:23 +02:00
parent 1ddb5691ca
commit d093542dc2
7 changed files with 246 additions and 15 deletions

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{{ $serviceName := index ( .Env.IMAGE_NAME | strings.Split "/" | coll.Reverse ) 0 }}
name: "cadoles-pod-{{ $serviceName }}"
arch: amd64
platform: linux
version: "{{ strings.TrimPrefix "v" ( getenv "IMAGE_TAG" "latest" ) }}"
version_schema: none
version_metadata: git
section: "{{ getenv "PACKAGE_SECTION" "default" }}"
priority: "{{ getenv "PACKAGE_PRIORITY" "optional" }}"
maintainer: "{{ getenv "PACKAGE_MAINTAINER" "contact@cadoles.com" }}"
description: "{{ getenv "PACKAGE_DESCRIPTION" "" }}"
homepage: "{{ getenv "PACKAGE_HOMEPAGE" "https://forge.cadoles.com" }}"
license: "{{ getenv "PACKAGE_LICENCE" "GPL-3.0" }}"
depends:
- podman
scripts:
postinstall: post-install.sh
contents:
- packager: deb
src: pod.service
dst: "/usr/lib/systemd/system/cadoles-pod-{{ $serviceName }}.service"
- packager: deb
src: pod.conf
dst: /etc/cadoles-pod-{{ $serviceName }}.conf
type: config|noreplace

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PODMAN_ARGS="{{ getenv "PODMAN_ARGS" "" }}"

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[Unit]
Description={{ .Env.IMAGE_NAME }} pod service
Wants=network-online.target
After=network-online.target
RequiresMountsFor=/run/containers/storage
[Service]
Type=simple
Environment=PODMAN_SYSTEMD_UNIT=%n
EnvironmentFile=-/etc/cadoles-pod-{{ .Env.IMAGE_NAME }}.conf
Environment=IMAGE_NAME={{ .Env.IMAGE_NAME }} IMAGE_TAG={{ .Env.IMAGE_TAG }}
PassEnvironment=PODMAN_ARGS IMAGE_NAME IMAGE_TAG
Restart=on-failure
TimeoutStopSec=70
{{ if getenv "SYSTEMD_EXEC_STARTPRE" "" }}
ExecStartPre={{ .Env.SYSTEMD_EXEC_STARTPRE }}
{{ end }}
ExecStart=/bin/sh -c "podman run ${PODMAN_ARGS} '${IMAGE_NAME}:${IMAGE_TAG}'"
{{ if getenv "SYSTEMD_EXEC_STARTPOST" "" }}
ExecStartPost={{ .Env.SYSTEMD_EXEC_STARTPOST }}
{{ end }}
[Install]
WantedBy=default.target

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#!/bin/sh
# Adapted from https://nfpm.goreleaser.com/tips/
use_systemctl="True"
systemd_version=0
if ! command -V systemctl >/dev/null 2>&1; then
use_systemctl="False"
else
systemd_version=$( systemctl --version | head -1 | sed 's/systemd //g' | cut -d' ' -f1 )
fi
SERVICE_NAME="cadoles-pod-{{ .Env.IMAGE_NAME }}"
cleanup() {
if [ "${use_systemctl}" = "False" ]; then
rm -f /usr/lib/systemd/system/$SERVICE_NAME.service
else
rm -f /etc/chkconfig/$SERVICE_NAME
rm -f /etc/init.d/$SERVICE_NAME
fi
}
cleanInstall() {
if [ "${use_systemctl}" = "False" ]; then
if command -V chkconfig >/dev/null 2>&1; then
chkconfig --add $SERVICE_NAME
fi
service $SERVICE_NAME restart ||:
else
if [ "${systemd_version}" -lt 231 ]; then
printf "\033[31m systemd version %s is less then 231, fixing the service file \033[0m\n" "${systemd_version}"
sed -i "s/=+/=/g" /usr/lib/systemd/system/$SERVICE_NAME.service
fi
systemctl daemon-reload ||:
systemctl unmask $SERVICE_NAME ||:
systemctl preset $SERVICE_NAME ||:
systemctl enable $SERVICE_NAME ||:
systemctl restart $SERVICE_NAME ||:
fi
}
upgrade() {
if [ "${use_systemctl}" = "False" ]; then
service $SERVICE_NAME restart ||:
else
if [ "${systemd_version}" -lt 231 ]; then
printf "\033[31m systemd version %s is less then 231, fixing the service file \033[0m\n" "${systemd_version}"
sed -i "s/=+/=/g" /usr/lib/systemd/system/$SERVICE_NAME.service
fi
systemctl daemon-reload ||:
systemctl restart $SERVICE_NAME ||:
fi
echo 'Cleaning up unused images...'
podman image prune -f --filter "reference={{ .Env.IMAGE_NAME }}"
}
action="$1"
if [ "$1" = "configure" ] && [ -z "$2" ]; then
action="install"
elif [ "$1" = "configure" ] && [ -n "$2" ]; then
action="upgrade"
fi
case "$action" in
"1" | "install")
cleanInstall
;;
"2" | "upgrade")
upgrade
;;
*)
cleanInstall
;;
esac
cleanup

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vars/gomplate.groovy Normal file
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void call(String sourceTemplate, String destFile, Map env = [:], Map options = [:]) {
String gomplateBin = getOrInstallGomplate(options)
sh """
${exportEnvMap(env)}
${gomplateBin} -f '${sourceTemplate}' > '${destFile}'
"""
}
String exportEnvMap(Map env) {
String exports = ''
env.each { item ->
exports = """
${exports}
export ${item.key}="${item.value}"
"""
}
return exports
}
String getOrInstallGomplate(Map options = [:]) {
String installDir = options.get('installDir', '/usr/local/bin')
String version = options.get('version', '3.10.0')
Boolean forceDownload = options.get('forceDownload', false)
String downloadUrl = options.get('downloadUrl', "https://github.com/hairyhenderson/gomplate/releases/download/v${version}/gomplate_linux-amd64")
String gomplateBin = ''
lock("${env.NODE_NAME}:gomplate-install") {
gomplateBin = sh(returnStdout: true, script: 'which gomplate || exit 0').trim()
if (gomplateBin == '' || forceDownload) {
sh("""
mkdir -p '${installDir}'
curl -o '${installDir}/gomplate' -sSL '${downloadUrl}'
chmod +x '${installDir}/gomplate'
""")
gomplateBin = "${installDir}/gomplate"
}
}
return gomplateBin
}

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// Package project with nfpm /**
// See https://nfpm.goreleaser.com/ * Générer des paquets Debian, RPM, Alpine (ipk) via nfpm
def package(Map options = [:]) { * Voir See https://nfpm.goreleaser.com/
String installDir = options.get("nfpmInstallDir", "/usr/local/bin") *
String nfpmVersion = options.get("nfpmVersion", "2.15.1") * Options:
String nfpmForceDownload = options.get("nfpmForceDownload", false) * - installDir - Répertoire d'installation du binaire nfpm, par défaut /usr/local/bin
String nfpmDownloadUrl = options.get("nfpmDownloadUrl", "https://github.com/goreleaser/nfpm/releases/download/${nfpmVersion}/nfpm_${nfpmVersion}_Linux_x86_64.tar.gz") * - version - Version de nfpm à installer, par défaut 2.15.1
String nfpmConfig = options.get("nfpmConfig", "nfpm.yaml") * - forceDownload - Forcer l'installation de nfpm, par défaut false
String nfpmTarget = options.get("nfpmTarget", ".") * - config - Fichier de configuration nfpm à utiliser, par défaut nfpm.yaml
String nfpmPackager = options.get("nfpmPackager", "") * - target - Répertoire cible pour nfpm, par défaut ./dist
* - packager - Limiter l'exécution de nfpm à un packager spécifique, par défaut "deb" (i.e. pas de limitation)
*/
void call(Map options = [:]) {
String installDir = options.get('installDir', '/usr/local/bin')
String version = options.get('version', '2.20.0')
Boolean forceDownload = options.get('forceDownload', false)
String downloadUrl = options.get('downloadUrl', "https://github.com/goreleaser/nfpm/releases/download/v${version}/nfpm_${version}_Linux_x86_64.tar.gz")
String config = options.get('config', 'nfpm.yaml')
String target = options.get('target', env.WORKSPACE + '/dist')
String packager = options.get('packager', 'deb')
String nfpmBin = sh(returnStdout: true, script: 'which nfpm').trim("") String nfpmBin = sh(returnStdout: true, script: 'which nfpm || exit 0').trim()
if (nfpmBin == "" || nfpmForceDownload) { if (nfpmBin == '' || forceDownload) {
sh(""" sh("""
mkdir -p '${installDir}' mkdir -p '${installDir}'
curl -L '${nfpmDownloadUrl}' > /tmp/nfpm.tar.gz curl -L '${downloadUrl}' > /tmp/nfpm.tar.gz
tar -C /usr/local/bin -xzf /tmp/nfpm.tar.gz tar -C /usr/local/bin -xzf /tmp/nfpm.tar.gz
""") """)
nfpmBin = "${installDir}/nfpm"
} }
sh(""" sh("""
export PATH='${installDir}:${env.PATH}' mkdir -p '${target}'
nfpm --config '${nfpmConfig}' ${nfpmPackager ? "--packager "+nfpmPackager : ""} --target '${nfpmTarget}' ${nfpmBin} package --config '${config}' ${packager ? '--packager ' + packager : ''} --target '${target}'
""") """)
} }

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vars/podman.groovy Normal file
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void buildCadolesPodPackage(String imageName, String imageTag, Map options = [:]) {
String destDir = options.get('destDir', env.WORKSPACE + '/dist')
Map nfpmOptions = options.get('nfpmOptions', [:])
nfpmOptions['target'] = destDir
Map env = options.get('env', [:])
env['IMAGE_NAME'] = imageName
env['IMAGE_TAG'] = imageTag
withPodmanPackagingTempDir {
gomplate('post-install.sh.gotmpl', 'post-install.sh', env)
gomplate('pod.service.gotmpl', 'pod.service', env)
gomplate('pod.conf.gotmpl', 'pod.conf', env)
gomplate('nfpm.yaml.gotmpl', 'nfpm.yaml', env)
nfpm(nfpmOptions)
}
}
void withPodmanPackagingTempDir(Closure fn) {
File tempDir = File.createTempDir()
tempDir.deleteOnExit()
tempDir.mkdirs()
dir(tempDir.getAbsolutePath()) {
List<String> resources = [
'com/cadoles/podman/nfpm.yaml.gotmpl',
'com/cadoles/podman/pod.conf.gotmpl',
'com/cadoles/podman/pod.service.gotmpl',
'com/cadoles/podman/post-install.sh.gotmpl',
]
for (res in resources) {
String fileContent = libraryResource res
String fileName = res.substring(res.lastIndexOf('/') + 1)
writeFile file:fileName, text:fileContent
}
fn()
}
}